package com.kangdi.server.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.*;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.ArrayList;
import java.util.List;

@Configuration
@EnableSwagger2
public class Swagger2Config {

    @Bean
    public Docket createRestApi(){
        return new Docket(DocumentationType.SWAGGER_2)
                .apiInfo(apiInfo())
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.kangdi.server.controller"))
                .paths(PathSelectors.any())
                .build()
                .securityContexts(securityContexts())
                .securitySchemes(securitySchemes());
    }

    private List<SecurityContext> securityContexts() {
        List<SecurityContext> list=new ArrayList<>();
        list.add(getContextByPath("/hello.*"));
        return list;
    }

    private SecurityContext getContextByPath(String pathRegex) {
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                .forPaths(PathSelectors.regex(pathRegex))
                .build();
    }

    private List<SecurityReference> defaultAuth() {
        List<SecurityReference> list=new ArrayList<>();
        AuthorizationScope authorizationScope=new AuthorizationScope("global","accessEverything");
        AuthorizationScope[] authorizationScopes=new AuthorizationScope[1];
        authorizationScopes[0]=authorizationScope;
        list.add(new SecurityReference("Authorization",authorizationScopes));
        return list;
    }

    private List<ApiKey> securitySchemes() {
        List<ApiKey> apiKeys=new ArrayList<>();
        apiKeys.add(new ApiKey("Authorization", "Authorization", "header"));
        return apiKeys;
    }

    public ApiInfo apiInfo(){
        return new ApiInfoBuilder()
                .title("云E办接口文档")
                .description("云E办接口文档")
                .contact(new Contact("kangdi","http://localhost:8081/doc.html","xxxx@xxx.com"))
                .version("1.0")
                .build();
    }
}
